段间距离

set the paragraph line spacing in a TRichedit?
uses
RichEdit;
procedure RE_SetLineSpacing(ARichEdit: TRichEdit; lineSpacing: Byte);
var
pf2: ParaFormat2;
begin
FillChar(pf2, SizeOf(pf2), 0);
pf2.cbSize := SizeOf(PARAFORMAT2);
pf2.dwMask := PFM_LINESPACING;
pf2.bLineSpacingRule := lineSpacing;
SendMessage(ARichEdit.Handle, EM_SETPARAFORMAT, 0, Longint(@pf2));
end;
//Example: Setlinespacing to 1:
procedure TForm1.Button1Click(Sender:TObject);
begin
RE_SetLineSpacing(RichEdit1, 1);
end;